Reflective device

Details Reflective device Reflective device

1975-05-22

1977-09-27

Sprague, Kenneth W.

Stoves and furnaces

Heaters

Surface

136 89R, 136206, 350293, 350299, F24J 302

Patent

active

040504441

ABSTRACT:
The invention provides for a linear reflective device having a plurality of concave reflective regions disposed along a reference line, such that normal incident light is focussed to a focal region by all of the reflective regions. The reflective device may be curved in a direction normal to the reference line or be planar. The invention further provides a method and means for manufacturing the reflective device by rolling, pressing, or molding. The invention still further provides optical, radio, or acoustical apparatus having the reflective device.

REFERENCES:
patent: 2961926 (1960-11-01), Hoffmeister
patent: 3058394 (1962-10-01), Edlin
patent: 3174397 (1965-03-01), Sanborn
patent: 3176678 (1965-04-01), Langley
patent: 3225208 (1965-12-01), Wolfe
patent: 3613659 (1971-10-01), Phillips
patent: 3841738 (1974-10-01), Caplan
patent: 3868823 (1975-03-01), Russell, Jr.
patent: 3875926 (1975-04-01), Frank
patent: 3892476 (1975-07-01), Sherman, Jr.

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